/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.nutch.protocol;

import java.net.URL;

/**
 * @author Andrzej Bialecki &lt;ab@getopt.org&gt;
 */
public class EmptyRobotRules implements RobotRules {

  public static final RobotRules RULES = new EmptyRobotRules();

  public long getCrawlDelay() {
    return -1;
  }

  public long getExpireTime() {
    return -1;
  }

  public boolean isAllowed(URL url) {
    return true;
  }

}
